drm/i915: Rename intel_setup_wm_latency() to ilk_setup_wm_latency()

This function is only used on ILK+, so rename it accordingly.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
1 file changed